meta 640 S Mashta Dr, Key Biscayne FL 33149 – A11896953 - Laura Graves, P.A.
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640 S Mashta Dr, Key Biscayne FL 33149 – A11896953

$ 19,500,000
640 S Mashta Dr, Key Biscayne FL 33149,
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Property Description

Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features an oversized 2-car garage, covered parking, and a spacious driveway for guests. Perfect to move in, renovate, or build your dream waterfront estate.

Address: 640 S Mashta Dr, Key Biscayne FL 33149
State/County:
Zip: 33149
Property Id: 4014790
Price: $ 19,500,000
Property Size: 3,620 ft2
Property Lot Size: 0 ft2
Rooms: 0
Bedrooms: 5
Bathrooms: 5
ArchitecturalStyle: Detached, Two Story
BathroomsFull: 5
BathroomsHalf: 0
BathroomsTotalDecimal: 5
BridgeModificationTimestamp: October 17, 2025 at 04:05am
BuildingAreaTotal: 4990
BuildingAreaUnits: Square Feet
BuildingName: MASHTA ISLAND
CommunityFeatures: None
ConstructionMaterials: Concrete Block Construction, CBS Construction
ContractStatusChangeDate: 2025-10-15
Cooling: Central Air
CoveredSpaces: 2
DaysOnMarket: 2
DirectionFaces: East
DoorFeatures: High Impact Doors
ElementarySchool: Keybiscayne
ExpirationDate: 2026-04-15
Flooring: Tile, Wood
FrontageLength: 0
FrontageType: Bay
GarageSpaces: 2
Heating: Central
HighSchool: Coral Gables
IDXParticipationYN: 1
Inclusions: Private Dock, Unrestricted Salt Water Access
InternetAddressDisplayYN: 1
InternetEntireListingDisplayYN: 1
ListAOR: A-Miami Association of REALTORS
ListAgentDirectPhone: 305-799-9680
ListAgentEmail: [email protected]
ListAgentFullName: Claudia Fontecilla
ListAgentKey: dd7ef6744068a8b7bc72fc6e5bb5fccf
ListAgentMlsId: 3190947
ListAgentOfficePhone: 305-459-3875
ListAgentStateLicense: 3190947
ListOfficeKey: fd4df9a6848e8ce769b67cbd0f85f630
ListOfficeMlsId: DLSI01
ListOfficeName: DLS International Realty
ListOfficePhone: 305-459-3875
ListingAgreement: Exclusive Right To Sell
ListingContractDate: 2025-10-15
ListingId: A11896953
ListingKeyNumeric: 421910663
ListingTerms: All Cash, Conventional
LivingAreaUnits: Square Feet
LotFeatures: Less Than 1/4 Acre Lot
LotSizeSquareFeet: 15000
LotSizeUnits: Square Feet
MIAMIRE_AdjustedAreaSF: 4234
MIAMIRE_LPAmtSqFt: 5386.7403
MIAMIRE_PoolDimensions: 0
MIAMIRE_PoolYN: 1
MIAMIRE_RATIO_CurrentPrice_By_SQFT: 5386.74
MIAMIRE_Style: WF/Pool/Ocean Access
MIAMIRE_SubdivisionInformation: No Subdiv/Park Info
MIAMIRE_TypeofAssociation: None

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